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DeleteBinObj bug with AndroidResource #2193

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jonathanpeppers opened this issue Sep 18, 2018 · 4 comments · Fixed by #2199
Closed

DeleteBinObj bug with AndroidResource #2193

jonathanpeppers opened this issue Sep 18, 2018 · 4 comments · Fixed by #2199
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@jonathanpeppers
Labels
Area: App+Library Build Issues when building Library projects or Application projects. bug Component does not function as intended. vs-sync For internal use only; creates a VSTS "mirror" issue.
Milestone
d16-0

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@jonathanpeppers
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jonathanpeppers commented Sep 18, 2018 •
edited by xamarin-release-manager
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Steps to Reproduce

  1. File | New Project | Android App (Xamarin) | Tabbed App, set Minimum Android Version to Android 5.0 (Lollipop)
  2. Build
  3. Open Resource\layout\activity_main.axml (I used the ancient VS XML editor instead of the designer, to remove that from the equation)
  4. Add a new TextView
  5. Run via F5 or the Play button

A crash at runtime is encountered:

Unhandled Exception:

Android.Views.InflateException: Binary XML file line #1: Binary XML file line #1: Error inflating class android.support.design.widget.BottomNavigationView occurred

On this line:

SetContentView (Resource.Layout.activity_main);

My TextView source is basically the default if dragged from the toolbox in the designer:

  <TextView
      android:text="Text"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:minWidth="25px"
      android:minHeight="25px"
      android:id="@+id/textView1" />

Once in this state, a Rebuild fixes the problem. You can deploy again to see the issue resolved.

Expected Behavior

Modifying a layout should not cause a runtime exception!

Actual Behavior

Modifying a layout causes runtime exception! Rebuild resolves the issue...

Version Information

I have been able to repro this on VS 2017 15.8.4, and the build of Xamarin.Android we will be shipping with 15.9 P3.

Log File

Relevant logs: DeleteBinObj.zip

VS bug #686581
@jonathanpeppers jonathanpeppers added bug Component does not function as intended. Area: App+Library Build Issues when building Library projects or Application projects. labels Sep 18, 2018
@jonathanpeppers jonathanpeppers self-assigned this Sep 18, 2018
@jonathanpeppers jonathanpeppers added this to the d16-0 milestone Sep 18, 2018
@jonathanpeppers jonathanpeppers added the vs-sync For internal use only; creates a VSTS "mirror" issue. label Sep 18, 2018
@jonathanpeppers
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Hmm, weird classes.dex has the type from the error message!

obj\Debug\MonoAndroid81\android\bin> dexdump.exe .\classes.dex | Select-String 'Landroid/support/design/widget/BottomNavigationView;'

type          : 'Landroid/support/design/widget/BottomNavigationView;'

So perhaps obj\Debug\MonoAndroid81\android\bin\packaged_resources is the file that's messed up?

I'll keep digging...

@jonathanpeppers
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@dellis1972 repro project here: https://github.com/jonathanpeppers/DeleteBinObj

My commands were:

git clean -dxf
msbuild .\DeleteBinObj\DeleteBinObj.csproj /bl:build.binlog /restore
git stash pop
msbuild .\DeleteBinObj\DeleteBinObj.csproj /bl:install.binlog /t:Install

Instead of git stash pop you can just add this to Resource\layout\activity_main.axml:

  <TextView
      android:text="Text"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:minWidth="25px"
      android:minHeight="25px"
      android:id="@+id/textView1" />

jonathanpeppers added a commit to jonathanpeppers/xamarin-android that referenced this issue Sep 19, 2018
@jonathanpeppers
[Xamarin.Android.Build.Tasks] deletebinobj fix for resources
6066f23 
Fixes: dotnet#2193

I have been able to reproduce a #deletebinobj bug with the following
steps:
1. `File | New Project | Android App (Xamarin) | Tabbed App`, set
   `Minimum Android Version` to `Android 5.0 (Lollipop)`
2. Build
3. Add a new `TextView` to `Resources\layout\activity_main.axml`, with
   an id of `textView1`
4. Build and Deploy

Get a crash at runtime:

    Android.Views.InflateException: Binary XML file line #1: Error inflating class android.support.design.widget.BottomNavigationView occurred

A `Rebuild` fixes the problem, and the app starts correctly again.

After comparing `obj` directories from before and after, I noticed
`obj\Debug\android\src\android\support\compat\R.java` was missing the
field for `R.id.textView1`!

    public static int textView1=0x7f080091;

This doesn't match the error message we are getting here at all... But
this file is updated by the `_GenerateJavaDesignerForComponent`
MSBuild target. Further research showed that this target was getting
skipped at step no. 4 above, because it was found to be up to date
according to its inputs and outputs.

To verify this was the case, I could delete
`obj\Debug\Component.R.cs.flag` which would also resolve the runtime
exception (instead of a full `Rebuild`).

First, I created a new test:
- `CustomViewAddResourceId` builds a project with
  `<android.support.design.widget.BottomNavigationView />`
- Adds a `textView1` layout, builds again
- Verifies that `obj\Debug\android\src\android\support\compat\R.java`
  contains `textView1`

To fix the problem, I did the following:
- Added `$(_AndroidResgenFlagFile)` as an input to
  `_GenerateJavaDesignerForComponent`, so it will run again when
  `_UpdateAndroidResgen` runs
- Removed
  `AndroidComponentResgenFlagFile="$(_AndroidComponentResgenFlagFile)"`
  from the call to the `<Aapt />` MSBuild task, so it will re-run
  `aapt` and generate `R.java`.

However, things are still breaking when `$(AndroidUseAapt2)` is
enabled. Removing `AndroidComponentResgenFlagFile` from the
`<Aapt2Link />` MSBuild task did not solve the problem here...
I'm not seeing exactly what generates `R.java` when
`$(AndroidUseAapt2)` is enabled? Perhaps another target that calls
`<Aapt2Compile />`?

This PR isn't quite complete until we also get this new test passing
under aapt2.
@jonathanpeppers jonathanpeppers mentioned this issue Sep 19, 2018
Merged
@Silic0nS0ldier
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If anyone hits this a work around is to add

<Target Name="BeforeBuild" Condition="Exists('$(ProjectDir)obj\Debug\MonoAndroid81\android\src\android\support\compat\R.java')">
  <Delete Files="$(ProjectDir)obj\Debug\MonoAndroid81\android\src\android\support\compat\R.java" />
</Target>

Or something similar (MonoAndroid81 might be different) to the project file.

jonathanpeppers added a commit to jonathanpeppers/xamarin-android that referenced this issue Sep 20, 2018
@jonathanpeppers
[Xamarin.Android.Build.Tasks] deletebinobj fix for resources
f829ffd 
Fixes: dotnet#2193

I have been able to reproduce a #deletebinobj bug with the following
steps:
1. `File | New Project | Android App (Xamarin) | Tabbed App`, set
   `Minimum Android Version` to `Android 5.0 (Lollipop)`
2. Build
3. Add a new `TextView` to `Resources\layout\activity_main.axml`, with
   an id of `textView1`
4. Build and Deploy

Get a crash at runtime:

    Android.Views.InflateException: Binary XML file line #1: Error inflating class android.support.design.widget.BottomNavigationView occurred

A `Rebuild` fixes the problem, and the app starts correctly again.

After comparing `obj` directories from before and after, I noticed
`obj\Debug\android\src\android\support\compat\R.java` was missing the
field for `R.id.textView1`!

    public static int textView1=0x7f080091;

This doesn't match the error message we are getting here at all... But
this file is updated by the `_GenerateJavaDesignerForComponent`
MSBuild target. Further research showed that this target was getting
skipped at step no. 4 above, because it was found to be up to date
according to its inputs and outputs.

To verify this was the case, I could delete
`obj\Debug\Component.R.cs.flag` which would also resolve the runtime
exception (instead of a full `Rebuild`).

First, I created a new test:
- `CustomViewAddResourceId` builds a project with
  `<android.support.design.widget.BottomNavigationView />`
- Adds a `textView1` layout, builds again
- Verifies that `obj\Debug\android\src\android\support\compat\R.java`
  contains `textView1`

To fix the problem, I did the following:
- Added `$(_AndroidResgenFlagFile)` as an input to
  `_GenerateJavaDesignerForComponent`, so it will run again when
  `_UpdateAndroidResgen` runs
- Removed
  `AndroidComponentResgenFlagFile="$(_AndroidComponentResgenFlagFile)"`
  from the call to the `<Aapt />` MSBuild task, so it will re-run
  `aapt` and generate `R.java`.

However, things were breaking when `$(AndroidUseAapt2)` was
enabled.

For `aapt2` support I had to:
- Remove `AndroidComponentResgenFlagFile` from the `<Aapt2Link />`
  call
- Set an extra property that the other `<Aapt2Link />` calls are
  already doing:
  `CompiledResourceFlatArchive="$(IntermediateOutputPath)\compiled.flata"`
dellis1972 pushed a commit that referenced this issue Sep 20, 2018
@jonathanpeppers @dellis1972
[Xamarin.Android.Build.Tasks] deletebinobj fix for resources (#2199)
4deec52 
Fixes: #2193

I have been able to reproduce a #deletebinobj bug with the following
steps:
1. `File | New Project | Android App (Xamarin) | Tabbed App`, set
   `Minimum Android Version` to `Android 5.0 (Lollipop)`
2. Build
3. Add a new `TextView` to `Resources\layout\activity_main.axml`, with
   an id of `textView1`
4. Build and Deploy

Get a crash at runtime:

    Android.Views.InflateException: Binary XML file line #1: Error inflating class android.support.design.widget.BottomNavigationView occurred

A `Rebuild` fixes the problem, and the app starts correctly again.

After comparing `obj` directories from before and after, I noticed
`obj\Debug\android\src\android\support\compat\R.java` was missing the
field for `R.id.textView1`!

    public static int textView1=0x7f080091;

This doesn't match the error message we are getting here at all... But
this file is updated by the `_GenerateJavaDesignerForComponent`
MSBuild target. Further research showed that this target was getting
skipped at step no. 4 above, because it was found to be up to date
according to its inputs and outputs.

To verify this was the case, I could delete
`obj\Debug\Component.R.cs.flag` which would also resolve the runtime
exception (instead of a full `Rebuild`).

First, I created a new test:
- `CustomViewAddResourceId` builds a project with
  `<android.support.design.widget.BottomNavigationView />`
- Adds a `textView1` layout, builds again
- Verifies that `obj\Debug\android\src\android\support\compat\R.java`
  contains `textView1`

To fix the problem, I did the following:
- Added `$(_AndroidResgenFlagFile)` as an input to
  `_GenerateJavaDesignerForComponent`, so it will run again when
  `_UpdateAndroidResgen` runs
- Removed
  `AndroidComponentResgenFlagFile="$(_AndroidComponentResgenFlagFile)"`
  from the call to the `<Aapt />` MSBuild task, so it will re-run
  `aapt` and generate `R.java`.

However, things were breaking when `$(AndroidUseAapt2)` was
enabled.

For `aapt2` support I had to:
- Remove `AndroidComponentResgenFlagFile` from the `<Aapt2Link />`
  call
- Set an extra property that the other `<Aapt2Link />` calls are
  already doing:
  `CompiledResourceFlatArchive="$(IntermediateOutputPath)\compiled.flata"`
dellis1972 pushed a commit that referenced this issue Oct 3, 2018
@jonathanpeppers @dellis1972
[Xamarin.Android.Build.Tasks] deletebinobj fix for resources (#2199)
fab260d 
Fixes: #2193

I have been able to reproduce a #deletebinobj bug with the following
steps:
1. `File | New Project | Android App (Xamarin) | Tabbed App`, set
   `Minimum Android Version` to `Android 5.0 (Lollipop)`
2. Build
3. Add a new `TextView` to `Resources\layout\activity_main.axml`, with
   an id of `textView1`
4. Build and Deploy

Get a crash at runtime:

    Android.Views.InflateException: Binary XML file line #1: Error inflating class android.support.design.widget.BottomNavigationView occurred

A `Rebuild` fixes the problem, and the app starts correctly again.

After comparing `obj` directories from before and after, I noticed
`obj\Debug\android\src\android\support\compat\R.java` was missing the
field for `R.id.textView1`!

    public static int textView1=0x7f080091;

This doesn't match the error message we are getting here at all... But
this file is updated by the `_GenerateJavaDesignerForComponent`
MSBuild target. Further research showed that this target was getting
skipped at step no. 4 above, because it was found to be up to date
according to its inputs and outputs.

To verify this was the case, I could delete
`obj\Debug\Component.R.cs.flag` which would also resolve the runtime
exception (instead of a full `Rebuild`).

First, I created a new test:
- `CustomViewAddResourceId` builds a project with
  `<android.support.design.widget.BottomNavigationView />`
- Adds a `textView1` layout, builds again
- Verifies that `obj\Debug\android\src\android\support\compat\R.java`
  contains `textView1`

To fix the problem, I did the following:
- Added `$(_AndroidResgenFlagFile)` as an input to
  `_GenerateJavaDesignerForComponent`, so it will run again when
  `_UpdateAndroidResgen` runs
- Removed
  `AndroidComponentResgenFlagFile="$(_AndroidComponentResgenFlagFile)"`
  from the call to the `<Aapt />` MSBuild task, so it will re-run
  `aapt` and generate `R.java`.

However, things were breaking when `$(AndroidUseAapt2)` was
enabled.

For `aapt2` support I had to:
- Remove `AndroidComponentResgenFlagFile` from the `<Aapt2Link />`
  call
- Set an extra property that the other `<Aapt2Link />` calls are
  already doing:
  `CompiledResourceFlatArchive="$(IntermediateOutputPath)\compiled.flata"`
@Silic0nS0ldier
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Fix is out in Visual Studio 15.9 Preview 4, and I can confirm it works.

@ghost ghost locked as resolved and limited conversation to collaborators Jun 7, 2022
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Labels
Area: App+Library Build Issues when building Library projects or Application projects. bug Component does not function as intended. vs-sync For internal use only; creates a VSTS "mirror" issue.
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Milestone
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[Xamarin.Android.Build.Tasks] deletebinobj fix for resources jonathanpeppers/xamarin-android
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@jonathanpeppers @Silic0nS0ldier